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    16 vulnerabilities found for jinja by palletsprojects

    CVE-2025-27516 (GCVE-0-2025-27516)

    Vulnerability from nvd – Published: 2025-03-05 20:40 – Updated: 2026-02-26 19:09
    VLAI
    Title
    Jinja sandbox breakout through attr filter selecting format method
    Summary
    Jinja is an extensible templating engine. Prior to 3.1.6, an oversight in how the Jinja sandboxed environment interacts with the |attr filter allows an attacker that controls the content of a template to execute arbitrary Python code. To exploit the vulnerability, an attacker needs to control the content of a template. Whether that is the case depends on the type of application using Jinja. This vulnerability impacts users of applications which execute untrusted templates. Jinja's sandbox does catch calls to str.format and ensures they don't escape the sandbox. However, it's possible to use the |attr filter to get a reference to a string's plain format method, bypassing the sandbox. After the fix, the |attr filter no longer bypasses the environment's attribute lookup. This vulnerability is fixed in 3.1.6.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-1336 - Improper Neutralization of Special Elements Used in a Template Engine
    Assigner
    Impacted products
    Vendor Product Version
    pallets jinja Affected: < 3.1.6
    Create a notification for this product.
    Show details on NVD website

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    CVE-2024-56326 (GCVE-0-2024-56326)

    Vulnerability from nvd – Published: 2024-12-23 15:43 – Updated: 2025-11-03 19:32
    VLAI
    Title
    Jinja has a sandbox breakout through indirect reference to format method
    Summary
    Jinja is an extensible templating engine. Prior to 3.1.5, An oversight in how the Jinja sandboxed environment detects calls to str.format allows an attacker that controls the content of a template to execute arbitrary Python code. To exploit the vulnerability, an attacker needs to control the content of a template. Whether that is the case depends on the type of application using Jinja. This vulnerability impacts users of applications which execute untrusted templates. Jinja's sandbox does catch calls to str.format and ensures they don't escape the sandbox. However, it's possible to store a reference to a malicious string's format method, then pass that to a filter that calls it. No such filters are built-in to Jinja, but could be present through custom filters in an application. After the fix, such indirect calls are also handled by the sandbox. This vulnerability is fixed in 3.1.5.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-1336 - Improper Neutralization of Special Elements Used in a Template Engine
    • CWE-693 - Protection Mechanism Failure
    Assigner
    Impacted products
    Vendor Product Version
    pallets jinja Affected: < 3.1.5
    Create a notification for this product.
    Show details on NVD website

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    CVE-2024-56201 (GCVE-0-2024-56201)

    Vulnerability from nvd – Published: 2024-12-23 15:37 – Updated: 2025-02-18 21:47
    VLAI
    Title
    Jinja has a sandbox breakout through malicious filenames
    Summary
    Jinja is an extensible templating engine. In versions on the 3.x branch prior to 3.1.5, a bug in the Jinja compiler allows an attacker that controls both the content and filename of a template to execute arbitrary Python code, regardless of if Jinja's sandbox is used. To exploit the vulnerability, an attacker needs to control both the filename and the contents of a template. Whether that is the case depends on the type of application using Jinja. This vulnerability impacts users of applications which execute untrusted templates where the template author can also choose the template filename. This vulnerability is fixed in 3.1.5.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-150 - Improper Neutralization of Escape, Meta, or Control Sequences
    Assigner
    Impacted products
    Vendor Product Version
    pallets jinja Affected: >= 3.0.0, < 3.1.5
    Create a notification for this product.
    Show details on NVD website

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    CVE-2024-34064 (GCVE-0-2024-34064)

    Vulnerability from nvd – Published: 2024-05-06 14:41 – Updated: 2025-11-03 21:54
    VLAI
    Title
    Jinja vulnerable to HTML attribute injection when passing user input as keys to xmlattr filter
    Summary
    Jinja is an extensible templating engine. The `xmlattr` filter in affected versions of Jinja accepts keys containing non-attribute characters. XML/HTML attributes cannot contain spaces, `/`, `>`, or `=`, as each would then be interpreted as starting a separate attribute. If an application accepts keys (as opposed to only values) as user input, and renders these in pages that other users see as well, an attacker could use this to inject other attributes and perform XSS. The fix for CVE-2024-22195 only addressed spaces but not other characters. Accepting keys as user input is now explicitly considered an unintended use case of the `xmlattr` filter, and code that does so without otherwise validating the input should be flagged as insecure, regardless of Jinja version. Accepting _values_ as user input continues to be safe. This vulnerability is fixed in 3.1.4.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
    Assigner
    Impacted products
    Vendor Product Version
    pallets jinja Affected: < 3.1.4
    Create a notification for this product.
    Show details on NVD website

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    CVE-2024-22195 (GCVE-0-2024-22195)

    Vulnerability from nvd – Published: 2024-01-11 02:25 – Updated: 2025-11-03 21:53
    VLAI
    Title
    Jinja vulnerable to Cross-Site Scripting (XSS)
    Summary
    Jinja is an extensible templating engine. Special placeholders in the template allow writing code similar to Python syntax. It is possible to inject arbitrary HTML attributes into the rendered HTML template, potentially leading to Cross-Site Scripting (XSS). The Jinja `xmlattr` filter can be abused to inject arbitrary HTML attribute keys and values, bypassing the auto escaping mechanism and potentially leading to XSS. It may also be possible to bypass attribute validation checks if they are blacklist-based.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
    Assigner
    Impacted products
    Vendor Product Version
    pallets jinja Affected: < 3.1.3
    Create a notification for this product.
    Show details on NVD website

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    CVE-2020-28493 (GCVE-0-2020-28493)

    Vulnerability from nvd – Published: 2021-02-01 19:30 – Updated: 2024-09-16 17:24
    VLAI
    Title
    Regular Expression Denial of Service (ReDoS)
    Summary
    This affects the package jinja2 from 0.0.0 and before 2.11.3. The ReDoS vulnerability is mainly due to the `_punctuation_re regex` operator and its use of multiple wildcards. The last wildcard is the most exploitable as it searches for trailing punctuation. This issue can be mitigated by Markdown to format user content instead of the urlize filter, or by implementing request timeouts and limiting process memory.
    CWE
    • Regular Expression Denial of Service (ReDoS)
    Assigner
    References
    Impacted products
    Vendor Product Version
    n/a jinja2 Affected: 0.0.0 , < unspecified (custom)
    Affected: unspecified , < 2.11.3 (custom)
    Date Public
    2021-02-01 00:00
    Credits
    Yeting Li
    Show details on NVD website

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    CVE-2016-10745 (GCVE-0-2016-10745)

    Vulnerability from nvd – Published: 2019-04-08 13:00 – Updated: 2024-08-06 03:30
    VLAI
    Summary
    In Pallets Jinja before 2.8.1, str.format allows a sandbox escape.
    Severity
    No CVSS data available.
    CWE
    • n/a
    Assigner
    References
    URL Tags
    https://palletsprojects.com/blog/jinja-281-released/ x_refsource_MISC
    https://github.com/pallets/jinja/commit/9b53045c3… x_refsource_MISC
    https://access.redhat.com/errata/RHSA-2019:1022 vendor-advisoryx_refsource_REDHAT
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    https://access.redhat.com/errata/RHSA-2019:1237 vendor-advisoryx_refsource_REDHAT
    https://access.redhat.com/errata/RHSA-2019:1260 vendor-advisoryx_refsource_REDHAT
    https://usn.ubuntu.com/4011-1/ vendor-advisoryx_refsource_UBUNTU
    https://usn.ubuntu.com/4011-2/ vendor-advisoryx_refsource_UBUNTU
    http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
    https://access.redhat.com/errata/RHSA-2019:3964 vendor-advisoryx_refsource_REDHAT
    https://access.redhat.com/errata/RHSA-2019:4062 vendor-advisoryx_refsource_REDHAT
    Show details on NVD website

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    CVE-2019-10906 (GCVE-0-2019-10906)

    Vulnerability from nvd – Published: 2019-04-06 23:17 – Updated: 2024-08-04 22:40
    VLAI
    Summary
    In Pallets Jinja before 2.10.1, str.format_map allows a sandbox escape.
    Severity
    No CVSS data available.
    CWE
    • n/a
    Assigner
    References
    URL Tags
    https://palletsprojects.com/blog/jinja-2-10-1-released x_refsource_MISC
    https://lists.apache.org/thread.html/46c055e173b5… mailing-listx_refsource_MLIST
    https://lists.apache.org/thread.html/b2380d147b50… mailing-listx_refsource_MLIST
    https://lists.apache.org/thread.html/f0c4a03418bc… mailing-listx_refsource_MLIST
    https://lists.apache.org/thread.html/57673a78c4d5… mailing-listx_refsource_MLIST
    https://lists.apache.org/thread.html/320441dccbd9… mailing-listx_refsource_MLIST
    https://lists.apache.org/thread.html/2b52b9c8b9d6… mailing-listx_refsource_MLIST
    https://lists.apache.org/thread.html/7f39f01392d3… mailing-listx_refsource_MLIST
    https://lists.apache.org/thread.html/09fc842ff444… mailing-listx_refsource_MLIST
    https://lists.fedoraproject.org/archives/list/pac… vendor-advisoryx_refsource_FEDORA
    https://lists.fedoraproject.org/archives/list/pac… vendor-advisoryx_refsource_FEDORA
    https://lists.fedoraproject.org/archives/list/pac… vendor-advisoryx_refsource_FEDORA
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    https://usn.ubuntu.com/4011-2/ vendor-advisoryx_refsource_UBUNTU
    http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
    Show details on NVD website

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    CVE-2025-27516 (GCVE-0-2025-27516)

    Vulnerability from cvelistv5 – Published: 2025-03-05 20:40 – Updated: 2026-02-26 19:09
    VLAI
    Title
    Jinja sandbox breakout through attr filter selecting format method
    Summary
    Jinja is an extensible templating engine. Prior to 3.1.6, an oversight in how the Jinja sandboxed environment interacts with the |attr filter allows an attacker that controls the content of a template to execute arbitrary Python code. To exploit the vulnerability, an attacker needs to control the content of a template. Whether that is the case depends on the type of application using Jinja. This vulnerability impacts users of applications which execute untrusted templates. Jinja's sandbox does catch calls to str.format and ensures they don't escape the sandbox. However, it's possible to use the |attr filter to get a reference to a string's plain format method, bypassing the sandbox. After the fix, the |attr filter no longer bypasses the environment's attribute lookup. This vulnerability is fixed in 3.1.6.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-1336 - Improper Neutralization of Special Elements Used in a Template Engine
    Assigner
    Impacted products
    Vendor Product Version
    pallets jinja Affected: < 3.1.6
    Create a notification for this product.
    Show details on NVD website

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    CVE-2024-56326 (GCVE-0-2024-56326)

    Vulnerability from cvelistv5 – Published: 2024-12-23 15:43 – Updated: 2025-11-03 19:32
    VLAI
    Title
    Jinja has a sandbox breakout through indirect reference to format method
    Summary
    Jinja is an extensible templating engine. Prior to 3.1.5, An oversight in how the Jinja sandboxed environment detects calls to str.format allows an attacker that controls the content of a template to execute arbitrary Python code. To exploit the vulnerability, an attacker needs to control the content of a template. Whether that is the case depends on the type of application using Jinja. This vulnerability impacts users of applications which execute untrusted templates. Jinja's sandbox does catch calls to str.format and ensures they don't escape the sandbox. However, it's possible to store a reference to a malicious string's format method, then pass that to a filter that calls it. No such filters are built-in to Jinja, but could be present through custom filters in an application. After the fix, such indirect calls are also handled by the sandbox. This vulnerability is fixed in 3.1.5.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-1336 - Improper Neutralization of Special Elements Used in a Template Engine
    • CWE-693 - Protection Mechanism Failure
    Assigner
    Impacted products
    Vendor Product Version
    pallets jinja Affected: < 3.1.5
    Create a notification for this product.
    Show details on NVD website

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    CVE-2024-56201 (GCVE-0-2024-56201)

    Vulnerability from cvelistv5 – Published: 2024-12-23 15:37 – Updated: 2025-02-18 21:47
    VLAI
    Title
    Jinja has a sandbox breakout through malicious filenames
    Summary
    Jinja is an extensible templating engine. In versions on the 3.x branch prior to 3.1.5, a bug in the Jinja compiler allows an attacker that controls both the content and filename of a template to execute arbitrary Python code, regardless of if Jinja's sandbox is used. To exploit the vulnerability, an attacker needs to control both the filename and the contents of a template. Whether that is the case depends on the type of application using Jinja. This vulnerability impacts users of applications which execute untrusted templates where the template author can also choose the template filename. This vulnerability is fixed in 3.1.5.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-150 - Improper Neutralization of Escape, Meta, or Control Sequences
    Assigner
    Impacted products
    Vendor Product Version
    pallets jinja Affected: >= 3.0.0, < 3.1.5
    Create a notification for this product.
    Show details on NVD website

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    CVE-2024-34064 (GCVE-0-2024-34064)

    Vulnerability from cvelistv5 – Published: 2024-05-06 14:41 – Updated: 2025-11-03 21:54
    VLAI
    Title
    Jinja vulnerable to HTML attribute injection when passing user input as keys to xmlattr filter
    Summary
    Jinja is an extensible templating engine. The `xmlattr` filter in affected versions of Jinja accepts keys containing non-attribute characters. XML/HTML attributes cannot contain spaces, `/`, `>`, or `=`, as each would then be interpreted as starting a separate attribute. If an application accepts keys (as opposed to only values) as user input, and renders these in pages that other users see as well, an attacker could use this to inject other attributes and perform XSS. The fix for CVE-2024-22195 only addressed spaces but not other characters. Accepting keys as user input is now explicitly considered an unintended use case of the `xmlattr` filter, and code that does so without otherwise validating the input should be flagged as insecure, regardless of Jinja version. Accepting _values_ as user input continues to be safe. This vulnerability is fixed in 3.1.4.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
    Assigner
    Impacted products
    Vendor Product Version
    pallets jinja Affected: < 3.1.4
    Create a notification for this product.
    Show details on NVD website

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    CVE-2024-22195 (GCVE-0-2024-22195)

    Vulnerability from cvelistv5 – Published: 2024-01-11 02:25 – Updated: 2025-11-03 21:53
    VLAI
    Title
    Jinja vulnerable to Cross-Site Scripting (XSS)
    Summary
    Jinja is an extensible templating engine. Special placeholders in the template allow writing code similar to Python syntax. It is possible to inject arbitrary HTML attributes into the rendered HTML template, potentially leading to Cross-Site Scripting (XSS). The Jinja `xmlattr` filter can be abused to inject arbitrary HTML attribute keys and values, bypassing the auto escaping mechanism and potentially leading to XSS. It may also be possible to bypass attribute validation checks if they are blacklist-based.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
    Assigner
    Impacted products
    Vendor Product Version
    pallets jinja Affected: < 3.1.3
    Create a notification for this product.
    Show details on NVD website

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    CVE-2020-28493 (GCVE-0-2020-28493)

    Vulnerability from cvelistv5 – Published: 2021-02-01 19:30 – Updated: 2024-09-16 17:24
    VLAI
    Title
    Regular Expression Denial of Service (ReDoS)
    Summary
    This affects the package jinja2 from 0.0.0 and before 2.11.3. The ReDoS vulnerability is mainly due to the `_punctuation_re regex` operator and its use of multiple wildcards. The last wildcard is the most exploitable as it searches for trailing punctuation. This issue can be mitigated by Markdown to format user content instead of the urlize filter, or by implementing request timeouts and limiting process memory.
    CWE
    • Regular Expression Denial of Service (ReDoS)
    Assigner
    References
    Impacted products
    Vendor Product Version
    n/a jinja2 Affected: 0.0.0 , < unspecified (custom)
    Affected: unspecified , < 2.11.3 (custom)
    Date Public
    2021-02-01 00:00
    Credits
    Yeting Li
    Show details on NVD website

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    CVE-2016-10745 (GCVE-0-2016-10745)

    Vulnerability from cvelistv5 – Published: 2019-04-08 13:00 – Updated: 2024-08-06 03:30
    VLAI
    Summary
    In Pallets Jinja before 2.8.1, str.format allows a sandbox escape.
    Severity
    No CVSS data available.
    CWE
    • n/a
    Assigner
    References
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    http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
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    https://access.redhat.com/errata/RHSA-2019:4062 vendor-advisoryx_refsource_REDHAT
    Show details on NVD website

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    CVE-2019-10906 (GCVE-0-2019-10906)

    Vulnerability from cvelistv5 – Published: 2019-04-06 23:17 – Updated: 2024-08-04 22:40
    VLAI
    Summary
    In Pallets Jinja before 2.10.1, str.format_map allows a sandbox escape.
    Severity
    No CVSS data available.
    CWE
    • n/a
    Assigner
    References
    URL Tags
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    https://lists.apache.org/thread.html/46c055e173b5… mailing-listx_refsource_MLIST
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    https://lists.apache.org/thread.html/320441dccbd9… mailing-listx_refsource_MLIST
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    https://lists.apache.org/thread.html/09fc842ff444… mailing-listx_refsource_MLIST
    https://lists.fedoraproject.org/archives/list/pac… vendor-advisoryx_refsource_FEDORA
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    https://access.redhat.com/errata/RHSA-2019:1152 vendor-advisoryx_refsource_REDHAT
    http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
    https://access.redhat.com/errata/RHSA-2019:1237 vendor-advisoryx_refsource_REDHAT
    https://access.redhat.com/errata/RHSA-2019:1329 vendor-advisoryx_refsource_REDHAT
    https://usn.ubuntu.com/4011-1/ vendor-advisoryx_refsource_UBUNTU
    https://usn.ubuntu.com/4011-2/ vendor-advisoryx_refsource_UBUNTU
    http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
    Show details on NVD website

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                  "name": "[airflow-commits] 20190410 [GitHub] [airflow] ashb commented on issue #5075: [AIRFLOW-XXX] Change allowed version of Jinja2 to fix CVE-2019-10906",
                  "refsource": "MLIST",
                  "url": "https://lists.apache.org/thread.html/57673a78c4d5c870d3f21465c7e2946b9f8285c7c57e54c2ae552f02@%3Ccommits.airflow.apache.org%3E"
                },
                {
                  "name": "[infra-devnull] 20190410 [GitHub] [airflow] XD-DENG commented on issue #5075: [AIRFLOW-XXX] Change allowed version of Jinja2 to fix CVE-2019-10906",
                  "refsource": "MLIST",
                  "url": "https://lists.apache.org/thread.html/320441dccbd9a545320f5f07306d711d4bbd31ba43dc9eebcfc602df@%3Cdevnull.infra.apache.org%3E"
                },
                {
                  "name": "[infra-devnull] 20190410 [GitHub] [airflow] ashb commented on issue #5075: [AIRFLOW-XXX] Change allowed version of Jinja2 to fix CVE-2019-10906",
                  "refsource": "MLIST",
                  "url": "https://lists.apache.org/thread.html/2b52b9c8b9d6366a4f1b407a8bde6af28d9fc73fdb3b37695fd0d9ac@%3Cdevnull.infra.apache.org%3E"
                },
                {
                  "name": "[airflow-commits] 20190410 [GitHub] [airflow] ashb merged pull request #5075: [AIRFLOW-XXX] Change allowed version of Jinja2 to fix CVE-2019-10906",
                  "refsource": "MLIST",
                  "url": "https://lists.apache.org/thread.html/7f39f01392d320dfb48e4901db68daeece62fd60ef20955966739993@%3Ccommits.airflow.apache.org%3E"
                },
                {
                  "name": "[infra-devnull] 20190410 [GitHub] [airflow] ashb closed pull request #5075: [AIRFLOW-XXX] Change allowed version of Jinja2 to fix CVE-2019-10906",
                  "refsource": "MLIST",
                  "url": "https://lists.apache.org/thread.html/09fc842ff444cd43d9d4c510756fec625ef8eb1175f14fd21de2605f@%3Cdevnull.infra.apache.org%3E"
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                {
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                {
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          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "assignerShortName": "mitre",
        "cveId": "CVE-2019-10906",
        "datePublished": "2019-04-06T23:17:03.000Z",
        "dateReserved": "2019-04-06T00:00:00.000Z",
        "dateUpdated": "2024-08-04T22:40:15.214Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }